Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pstc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 13:41:50 UTC · ↺ Refresh
MX Hostnames
- pstc-org.mail.protection.outlook.com
MX Priorities
- pstc-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.154.36.108 ↩ 108.36.154.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
becky.ns.cloudflare.com dns.cloudflare.com 2400161410 10000 2400 604800 1800
Primary NS (mname)
becky.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400161410
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
becky.ns.cloudflare.com
curt.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:informz.net include:spf.constantcontact.com include:amazonses.com include:email.prnewswire.com include:spf.constantcontact.com include:spf.sendinblue.com ip4:66.77.30.4 ip4:66.77.31.84 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:informz.net include:spf.constantcontact.com include:amazonses.com include:email.prnewswire.com include:spf.constantcontact.com include:spf.sendinblue.com ip4:66.77.30.4 ip4:66.77.31.84 -all
- MS=ms16790900
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